/* JAI-Ext - OpenSource Java Advanced Image Extensions Library
 *    http://www.geo-solutions.it/
 *    Copyright 2018 GeoSolutions
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 *  Copyright (c) 2011, Michael Bedward. All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without modification,
 *  are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 *  - Redistributions in binary form must reproduce the above copyright notice, this
 *    list of conditions and the following disclaimer in the documentation and/or
 *    other materials provided with the distribution.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 *  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 *  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.eclipse.imagen.media.jiffle;

import static org.junit.Assert.assertTrue;

import java.util.HashMap;
import java.util.Map;
import org.eclipse.imagen.media.jiffle.runtime.JiffleDirectRuntime;
import org.eclipse.imagen.media.jiffle.runtime.JiffleIndirectRuntime;
import org.junit.Before;
import org.junit.Test;

/**
 * Unit tests for basic Jiffle object creation, setting attributes and compiling.
 *
 * @author Michael Bedward
 * @since 0.1
 * @version $Id$
 */
public class RuntimeClassTest {

    private Jiffle jiffle;
    private Map<String, Jiffle.ImageRole> imageParams;

    @Before
    public void setup() {
        jiffle = new Jiffle();
        imageParams = new HashMap<>();
    }

    @Test
    public void getDirectRuntime() throws Exception {
        setupSingleDestScript();
        Object runtime = jiffle.getRuntimeInstance(Jiffle.RuntimeModel.DIRECT);
        assertTrue(runtime instanceof JiffleDirectRuntime);
    }

    @Test
    public void getIndirectRuntime() throws Exception {
        setupSingleDestScript();
        Object runtime = jiffle.getRuntimeInstance(Jiffle.RuntimeModel.INDIRECT);
        assertTrue(runtime instanceof JiffleIndirectRuntime);
    }

    @Test
    public void customDirectBaseClass() throws Exception {
        setupSingleDestScript();
        Object runtime = jiffle.getRuntimeInstance(MockDirectBaseClass.class);
        assertTrue(runtime instanceof MockDirectBaseClass);
    }

    @Test
    public void customIndirectBaseClass() throws Exception {
        setupSingleDestScript();
        Object runtime = jiffle.getRuntimeInstance(MockIndirectBaseClass.class);
        assertTrue(runtime instanceof MockIndirectBaseClass);
    }

    @Test(expected = JiffleException.class)
    public void invalidBaseClass() throws Exception {
        class Foo extends NullRuntime {}

        setupSingleDestScript();
        Object runtime = jiffle.getRuntimeInstance(Foo.class);
    }

    private void setupSingleDestScript() throws JiffleException {
        String script = "dest = 42;";
        jiffle.setScript(script);

        imageParams.put("dest", Jiffle.ImageRole.DEST);
        jiffle.setImageParams(imageParams);
        jiffle.compile();
    }
}
